We are celebrating 20 Years of the Lexicon with a Twentieth Anniversary Canon Celebration!
Potions
Healing Potions

Deflating Draught

"Silence! SILENCE!...Anyone who has been splashed, come here for a Deflating Draft - when I find out who did this -"
-- Snape after the Swelling Solution in Goyle's cauldron exploded (CS11)

Antidote to Swelling Solution.

References from the canon

Snape had some on hand while Harry's second year class was preparing Swelling Solution, which turned out to be a handy thing (CS11).

Commentary

Pensieve (Comments)

Tags: antidotes draught swelled

Editor: